490587651 has 8 divisors (see below), whose sum is σ = 726796560. Its totient is φ = 327058416.

The previous prime is 490587641. The next prime is 490587653. The reversal of 490587651 is 156785094.

490587651 is a `hidden beast` number, since 4 + 9 + 0 + 587 + 65 + 1 = 666.

It is not a de Polignac number, because 490587651 - 2⁷ = 490587523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490587597 and 490587606.

It is not an unprimeable number, because it can be changed into a prime (490587653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9084930 + ... + 9084983.

It is an arithmetic number, because the mean of its divisors is an integer number (90849570).

Almost surely, 2^490587651 is an apocalyptic number.

490587651 is a deficient number, since it is larger than the sum of its proper divisors (236208909).

490587651 is a wasteful number, since it uses less digits than its factorization.

490587651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169922 (or 18169916 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 490587651 is about 22149.2133268882. The cubic root of 490587651 is about 788.6885526392.

The spelling of 490587651 in words is "four hundred ninety million, five hundred eighty-seven thousand, six hundred fifty-one".